CN111508787A - Integrated interlocking mechanism of gas charging cabinet - Google Patents
Integrated interlocking mechanism of gas charging cabinet Download PDFInfo
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- CN111508787A CN111508787A CN202010491078.3A CN202010491078A CN111508787A CN 111508787 A CN111508787 A CN 111508787A CN 202010491078 A CN202010491078 A CN 202010491078A CN 111508787 A CN111508787 A CN 111508787A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
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Abstract
The invention discloses an integrated interlocking mechanism of an inflatable cabinet, which mainly comprises a valve clamping plate, a first interlocking connecting lever, a closing brake assembly, a rotating assembly, a transmission assembly and a reset assembly. Therefore, the invention realizes the mechanical interlocking function between the three-position isolation grounding switch and the circuit breaker of the gas-filled cabinet, and has the advantages of simple structure, active interlocking, safety and reliability.
Description
Technical Field
The invention relates to an interlocking mechanism, in particular to an integrated interlocking mechanism of an inflatable cabinet.
Background
A cabinet type Gas Insulated metal enclosed Switchgear (C-GIS) is a primary distribution system device which takes a breaker as a main switch and is used for 10-35 kV or higher voltage level. The inflatable ring main unit uses a load switch as a main switch and is also provided with a scheme of a circuit breaker, and the inflatable ring main unit is used for a 10-35 kV secondary power distribution system. The inflatable cabinet is generally a general name of the C-GIS and the inflatable ring main unit.
The gas-filled cabinet utilizes the GIS insulation technology and the sealing technology to install high-voltage elements in a box-type sealed container, fills insulating gas slightly higher than atmospheric pressure, utilizes modern advanced processing technology to manufacture a set of serialized products, and has the functions of controlling, protecting, measuring, monitoring and communicating electric energy distribution under the normal and fault conditions of the system.
At present, the development of the inflatable cabinet shows the trend of component combination, and the isolating switch and the grounding switch of some inflatable cabinet products are combined into a whole to form a three-station isolating grounding switch. And the three-position isolation grounding switch and the circuit breaker are combined into a whole by other inflatable cabinet products, so that the installation and debugging are more convenient. According to different structures, the operating mechanisms of the three-station isolation grounding switch of the inflatable cabinet are divided into a direct-acting three-station mechanism and a knife-switch three-station mechanism, and for the inflatable cabinet with the direct-acting three-station mechanism matched with a circuit breaker, the requirement that the three-station mechanism is not allowed to be operated when the circuit breaker is in a closing state and the three-station mechanism is allowed to be operated when the circuit breaker is in an opening state is met; and the circuit breaker cannot be closed in the operation process of the three-station mechanism. Therefore, an interlock is usually arranged between the three-position mechanism of the gas-filled cabinet and the operating mechanism of the circuit breaker, but in the prior art, the interlock between some three-position mechanisms and the operating mechanism of the circuit breaker is a passive interlock in a mode of limiting the rotation of an output shaft of the three-position isolating grounding switch, and the reliability is poor. The interlocking between other three-station mechanisms and the operating mechanism of the circuit breaker has the problems of complex structure, complex installation, single interlocking mode and incapability of ensuring the in-place interlocking.
Disclosure of Invention
In order to overcome the defects, the invention provides an integrated interlocking mechanism of an inflatable cabinet, which realizes the mechanical interlocking function between a three-station isolation grounding switch and a circuit breaker of the inflatable cabinet and has the advantages of simple structure, active interlocking, safety and reliability.
The technical scheme adopted by the invention for solving the technical problem is as follows:
an integrated interlocking mechanism of an inflatable cabinet is used for realizing interlocking between a direct-acting type three-station mechanism of the inflatable cabinet and a circuit breaker operating mechanism of the inflatable cabinet, the integrated interlocking mechanism of the inflatable cabinet comprises a valve clamping plate, a first interlocking connecting lever, a closing brake assembly, a rotating assembly, a transmission assembly and a reset assembly, the valve clamping plate is fixedly connected with an operating valve of the direct-acting type three-station mechanism, the first interlocking connecting lever is fixedly connected with a main shaft of the circuit breaker operating mechanism, the rotating assembly comprises an interlocking mounting plate, a rotating shaft, an interlocking swinging plate, an interlocking pin, a second interlocking connecting lever and two interlocking rollers, the interlocking mounting plate is mounted on the top of a frame of the circuit breaker operating mechanism, the rotating shaft is rotatably mounted on the interlocking mounting plate, the interlocking swinging plate is mounted at one end of the rotating shaft, the second interlocking connecting lever is fixedly connected between the other end of the rotating shaft and the interlocking pin, the two interlocking rollers are arranged at two ends of the interlocking swinging plate, and the interlocking pin is inserted into a clamping jaw positioned at the bottom of the valve clamping plate; the transmission assembly is arranged between the first interlocking crank arm and the two interlocking rollers, and the bottom end of the transmission assembly is vertically opposite to the first interlocking crank arm; the closing brake assembly is arranged in the middle of the transmission assembly; when a breaker of the gas charging cabinet is switched on, a first interlocking crank arm on the main shaft rotates to a position abutting against the bottom end of the transmission assembly, so that the top end of the transmission assembly abuts against the two interlocking rollers, the rotating shaft, the interlocking pin and the valve clamping plate are braked, and the operating valve cannot be opened; when the operating valve needs to be opened, a first interlocking connecting lever on the main shaft rotates to a position where the first interlocking connecting lever is separated from the bottom end of the transmission assembly, the operating valve moves left and right and can drive the rotating shaft and the interlocking swing plate to rotate through the valve clamping plate and the interlocking pin, one interlocking roller drives the transmission assembly and the closing brake assembly downwards, the closing brake assembly brakes a closing driving assembly of the operating mechanism of the circuit breaker, and the reset assembly stores energy; and the reset assembly releases stored energy and can drive the closing brake assembly, the transmission assembly and the rotating assembly to reset.
As a further improvement of the present invention, the transmission assembly includes a transmission rod and an interlocking plate, the interlocking plate includes a vertical plate and a horizontal plate formed on the top of the vertical plate, the horizontal plate is disposed below the two interlocking rollers, the top end of the transmission rod is fixedly connected to the vertical plate, and the bottom end of the transmission rod is vertically opposite to the first interlocking crank arm.
As a further improvement of the invention, two first waist-shaped holes are formed on the vertical plate, and the vertical plate is fixedly connected with the transmission rod through fasteners penetrating through the first waist-shaped holes.
As a further improvement of the present invention, the reset assembly includes a fixed bent plate and a reset spring, the middle portion of the fixed bent plate is mounted on a side wall of a frame of the circuit breaker operating mechanism, the reset spring is disposed between two opposite support arms of the fixed bent plate, the middle portion of the transmission rod movably penetrates through the reset spring and through holes of the two support arms, and the transmission rod moves downward to compress the reset spring for energy storage.
As a further improvement of the invention, the structure that the transmission rod moves downwards to compress the return spring to store energy is as follows: the transmission rod is provided with a pressing pin and a pressing piece, the pressing pin and the pressing piece are arranged between the two support arms, the pressing pin is arranged in a pin hole in the transmission rod, the pressing piece is movably sleeved on the transmission rod, and the pressing piece is positioned between the top end of the reset spring and the pressing pin.
As a further improvement of the invention, the closing brake assembly comprises a closing limiting plate and a connecting rod, the middle part of the closing limiting plate is rotatably mounted on a partition plate in a frame of the circuit breaker operating mechanism through a pin shaft, one end of the connecting rod is fixedly connected with the transmission rod, and the other end of the connecting rod is arranged in a second kidney-shaped hole in the closing limiting plate in a penetrating manner; when the transmission rod drives the connecting rod to move downwards, the connecting rod drives the closing limiting plate to rotate, and the support leg of the closing limiting plate abuts against the closing driving assembly.
As a further improvement of the invention, the closing driving assembly comprises a closing coil, a closing plastic part, a closing connecting plate, a closing connecting lever, a closing cam and a closing spring, wherein the closing plastic part, the closing connecting lever and the closing cam are respectively and rotatably mounted on a frame of the circuit breaker operating mechanism, the closing connecting lever is provided with a connecting arm with an obtuse included angle and a closing energy storage holding pawl, and a closing roller is fixed on the closing cam; two ends of the closing connecting plate are respectively and rotatably connected to the connecting arm of the closing plastic part and the closing connecting lever, the closing spring is elastically abutted against one side surface of the closing roller, and the closing energy storage retaining pawl of the closing connecting lever is abutted against the other side surface opposite to the closing roller in the opening state; a closing coil push rod is arranged on the closing coil, when closing is performed, a support leg of the closing limiting plate is separated from a brake point of the closing plastic part, the closing coil push rod is driven by the closing coil to push the closing plastic part to rotate after receiving a closing signal, the closing connecting plate drives the closing connecting lever to rotate, the closing energy storage retaining pawl is separated from the closing roller, and meanwhile, the closing spring pushes the closing cam to rotate and impact the main roller on the main shaft, so that closing is completed; and in the switching-off state, after the operating valve is opened, the support leg of the switching-on limiting plate is abutted to the braking point of the switching-on plastic part, so that the switching-on coil push rod of the switching-on coil cannot push the switching-on plastic part to rotate.
As a further improvement of the invention, the transmission rod is square, the first interlocking crank arm comprises a disc body and a square column, the disc body is fixedly sleeved on the main shaft, the square column is connected to the outer edge of the disc body, and the square column is opposite to the bottom end of the transmission rod up and down.
The invention has the beneficial effects that: the invention provides an integrated interlocking mechanism of an inflatable cabinet, which is characterized in that a first interlocking connecting lever is arranged on a main shaft of an operating mechanism of a circuit breaker, a valve clamping plate is connected on an operating valve of a direct-acting three-station mechanism, and a closing brake assembly, a rotating assembly, a transmission assembly and a reset assembly are arranged between the first interlocking connecting lever and the valve clamping plate, so that the function that the operating valve of the three-station mechanism cannot be opened when the circuit breaker of the inflatable cabinet is in a closing state is realized, and the function that the circuit breaker cannot be closed in the process of manually operating the three-station mechanism in a circuit breaker opening state is also realized. Therefore, the invention realizes the mechanical interlocking function between the three-position isolation grounding switch and the circuit breaker of the gas-filled cabinet, and has the advantages of simple structure, active interlocking, safety and reliability.
Drawings
FIG. 1 is a front view of the integrated interlock mechanism of the inflatable cabinet of the present invention;
FIG. 2 is a perspective view of the front view of the integrated interlock mechanism of the inflatable cabinet of the present invention;
FIG. 3 is a perspective view of the back view of the integrated interlock mechanism of the inflatable cabinet of the present invention;
fig. 4 is a schematic structural view of a circuit breaker operating mechanism according to the present invention;
the following description is made with reference to the accompanying drawings:
1-a valve catch plate, 11-a claw, 2-a first interlocking crank arm, 21-a disc body, 22-a square column, 3-a closing brake component, 31-a closing limit plate, 32-a connecting rod, 4-a rotating component, 41-an interlocking mounting plate, 42-a rotating shaft, 43-an interlocking swing plate, 44-an interlocking pin, 45-a second interlocking crank arm, 46-an interlocking roller, 5-a transmission component, 51-a transmission rod, 511-a pin hole, 52-an interlocking plate, 521-a vertical plate, 5211-a first waist-shaped hole, 522-a horizontal plate, 6-a resetting component, 61-a fixed bent plate, 611-an arm, 62-a resetting spring, 7-a pressing plate, 100-an operating valve, 210-a spindle, 220-a closing driving component, 221-closing coil, 2211-closing coil push rod, 222-closing plastic part, 223-closing link plate, 224-closing crank arm, 2241-connecting arm, 2242-closing energy storage holding pawl, 225-closing cam, 2251-closing roller, 226-closing spring.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, 2, 3 and 4, the integrated interlocking mechanism of the inflatable cabinet is used for realizing interlocking between a direct-acting three-station mechanism of the inflatable cabinet and a circuit breaker operating mechanism of the inflatable cabinet, and comprises a valve clamping plate 1, a first interlocking crank arm 2, a closing brake component 3, a rotating component 4, a transmission component 5 and a reset component 6, wherein the valve clamping plate is fixedly connected with an operating valve 100 of the direct-acting three-station mechanism, the first interlocking crank arm is fixedly connected with a main shaft 210 of the circuit breaker operating mechanism, the rotating component comprises an interlocking mounting plate 41, a rotating shaft 42, an interlocking swing plate 43, an interlocking pin 44, a second interlocking crank arm 45 and two interlocking rollers 46, the interlocking mounting plate is mounted on the top of a frame of the circuit breaker operating mechanism, the rotating shaft is rotatably mounted on the interlocking mounting plate, the interlocking swing plate is arranged at one end of the rotating shaft, the second interlocking connecting lever is fixedly connected between the other end of the rotating shaft and the interlocking pin, the two interlocking rollers are arranged at two ends of the interlocking swing plate, and the interlocking pin is inserted into a clamping jaw 11 positioned at the bottom of the valve clamping plate; the transmission assembly is arranged between the first interlocking crank arm and the two interlocking rollers, and the bottom end of the transmission assembly is vertically opposite to the first interlocking crank arm; the closing brake assembly is arranged in the middle of the transmission assembly; when a breaker of the gas charging cabinet is switched on, a first interlocking crank arm on the main shaft rotates to a position abutting against the bottom end of the transmission assembly, so that the top end of the transmission assembly abuts against the two interlocking rollers, the rotating shaft, the interlocking pin and the valve clamping plate are braked, and the operating valve cannot be opened; when the operating valve needs to be opened, the first interlocking connecting lever on the main shaft rotates to a position where the first interlocking connecting lever is separated from the bottom end of the transmission assembly, the operating valve moves left and right and can drive the rotating shaft and the interlocking swing plate to rotate through the valve clamping plate and the interlocking pin, one of the interlocking rollers drives the transmission assembly and the closing brake assembly downwards, the closing brake assembly brakes a closing driving assembly 220 of the operating mechanism of the circuit breaker, and the reset assembly stores energy; and the reset assembly releases stored energy and can drive the closing brake assembly, the transmission assembly and the rotating assembly to reset.
In the structure, the first interlocking connecting lever is arranged on the main shaft of the circuit breaker operating mechanism, the valve clamping plate is connected to the operating valve of the direct-acting type three-station mechanism, and the closing brake assembly, the rotating assembly, the transmission assembly and the reset assembly are arranged between the first interlocking connecting lever and the valve clamping plate, so that the function that the operating valve of the three-station mechanism cannot be opened when the circuit breaker of the gas-filled cabinet is in a closing state is realized, and meanwhile, the function that the circuit breaker cannot be closed when the circuit breaker is in a switching-off state and the three-station mechanism is manually operated in the switching-off state is also realized. Therefore, the invention realizes the mechanical interlocking function between the direct-acting three-station mechanism and the circuit breaker operating mechanism, and has the advantages of simple structure, active interlocking, safety and reliability.
The working principle of the integrated interlocking mechanism of the gas charging cabinet is as follows:
the circuit breaker is in a switching-on state, a first interlocking crank arm on a main shaft of a circuit breaker operating mechanism just rotates to a position abutting against the bottom end of a transmission assembly, for example, the first interlocking crank arm just faces upwards, at the moment, the transmission assembly cannot move downwards, the top end of the transmission assembly just abuts against two interlocking rollers, a rotating shaft cannot drive an interlocking swing plate and an interlocking pin to rotate, namely, the rotating shaft and the interlocking pin are braked, the interlocking pin is inserted into a clamping jaw positioned at the bottom of a valve clamping plate, the operating valve cannot be opened, namely, the operating valve of a three-station mechanism is locked, the operating valve cannot move left and right, and cannot be opened, the operating valve blocks an operating hole of a three-station isolation grounding switch, and the three-station mechanism cannot be operated.
The circuit breaker state of separating brake, the main epaxial first interlocking connecting lever of circuit breaker operating device is rotatory to other positions, takes off the bottom of transmission assembly, for example first interlocking connecting lever is just down or one side, at this moment, transmission assembly can move down, and operating valve can remove about can, and operating valve can drive the interlocking round pin, and then drive axis of rotation and interlocking swing plate rotate, has unlocked three station mechanism's operating valve promptly, at this moment, can open operating valve, operate three station mechanism. For example, when the three-position isolating grounding switch needs to be manually operated, the operating valve moves rightwards, so that the interlocking roller arranged on the right side of the interlocking swing plate moves downwards, and the transmission assembly is driven to move downwards. In order to ensure that the circuit breaker cannot be switched on in the operation process of the three-station mechanism, the circuit breaker is provided with the switching-on brake assembly, namely, when the transmission assembly is driven downwards, the switching-on brake assembly is driven to move downwards, and the switching-on brake assembly brakes the switching-on driving assembly of the circuit breaker operation mechanism, namely, when the three-station mechanism is operated, the switching-on function of the circuit breaker is locked, and the circuit breaker can be prevented from being switched on due to the fact that misoperation touches a switching-on coil or background personnel misoperation.
In the structure, the reset assembly is used for resetting the transmission assembly, the closing brake assembly and the rotating assembly so as to ensure that the closing brake assembly can unlock the closing driving assembly after the three-station mechanism is operated to close the valve. And the rotating assembly can reset to the initial position, even if the operating valve is located at the middle position, at the moment, the operating valve can block the operating hole of the three-station isolation grounding switch.
Preferably, the transmission assembly comprises a transmission rod 51 and an interlocking plate 52, the interlocking plate comprises a vertical plate 521 and a horizontal plate 522 formed on the top of the vertical plate, the horizontal plate is arranged below the two interlocking rollers, the top end of the transmission rod is fixedly connected with the vertical plate, and the bottom end of the transmission rod is vertically opposite to the first interlocking crank arm. Like this, can realize the function of two interlocking rollers of butt simultaneously through the interlocking board, can realize through the transfer line with first interlocking turning arm complex function, and the transfer line does not occupy more space and be convenient for install reset assembly.
Preferably, two first kidney-shaped holes 5211 are formed in the vertical plate, and the vertical plate is fixedly connected with the transmission rod through a fastener penetrating through the first kidney-shaped holes. Thus, the height of the transmission rod can be adjusted up and down according to the distance between the main shaft and the rotating assembly.
Preferably, the reset assembly comprises a fixed bent plate 61 and a reset spring 62, the middle part of the fixed bent plate is mounted on the side wall of the frame of the circuit breaker operating mechanism, the reset spring is arranged between two opposite support arms 611 of the fixed bent plate, the middle part of the transmission rod is movably arranged in the through hole of the support arm in a penetrating manner, the transmission rod moves downwards and can be compressed to store energy by the reset spring. Therefore, the function that the reset transmission assembly drives the closing brake assembly to reset is realized through the matching of the transmission rod, the fixed bent plate and the reset spring. The fixed bent plate is provided with two opposite support arms, and the reset spring is arranged between the two support arms, so that the effect of limiting and guiding the transmission rod can be achieved. As a preferred embodiment, the reset assembly is composed of a fixed bent plate 611 and a reset spring 62, which realizes the function of the reset assembly, but is not limited thereto, in other structures, the reset assembly may also be composed of a fixed plate, a guide pillar and a reset spring, at this time, a connecting member may be added on the transmission rod, the fixed plate is installed on the frame of the circuit breaker operating mechanism, the guide pillar is installed between the connecting member and the fixed plate, and the reset spring is sleeved on the guide pillar and located between the connecting member and the fixed plate.
Preferably, the structure that the transmission rod moves downwards to compress the return spring to store energy is as follows: the transmission rod is provided with a pressing pin and a pressing sheet 7, the pressing pin and the pressing sheet are arranged between the two support arms, the pressing pin is arranged in a pin hole 511 on the transmission rod, the pressing sheet is movably sleeved on the transmission rod, and the pressing sheet is positioned between the top end of the reset spring and the pressing pin. Therefore, the pin hole is formed in the transmission rod, the pressing pin is installed in the pin hole, and when the pressing pin moves downwards along with the transmission rod, the pressing piece can be driven to compress the return spring to store energy.
Preferably, the closing brake assembly comprises a closing limiting plate 31 and a connecting rod 32, the middle part of the closing limiting plate is rotatably mounted on a partition plate in a frame of the circuit breaker operating mechanism through a pin shaft, one end of the connecting rod is fixedly connected with the transmission rod, and the other end of the connecting rod penetrates through a second kidney-shaped hole in the closing limiting plate; when the transmission rod drives the connecting rod to move downwards, the connecting rod drives the closing limiting plate to rotate, and the support leg of the closing limiting plate abuts against the closing driving assembly.
Preferably, the closing driving assembly includes a closing coil 221, a closing plastic part 222, a closing link plate 223, a closing lever 224, a closing cam 225 and a closing spring (226), the closing plastic part, the closing lever and the closing cam are respectively and rotatably mounted on the frame of the circuit breaker operating mechanism, the closing lever has a connecting arm 2241 and a closing energy-storage holding pawl 2242 which form an obtuse included angle, and a closing roller 2251 is fixed on the closing cam; two ends of the closing connecting plate are respectively and rotatably connected to the connecting arm of the closing plastic part and the closing connecting lever, the closing spring is elastically abutted against one side surface of the closing roller, and the closing energy storage retaining pawl of the closing connecting lever is abutted against the other side surface opposite to the closing roller in the opening state; a closing coil push rod 2211 is arranged on the closing coil, when closing is performed, a support leg of the closing limiting plate is separated from a brake point of the closing plastic part, the closing coil drives the closing coil push rod to push the closing plastic part to rotate after receiving a closing signal, the closing connecting plate drives the closing connecting lever to rotate, the closing energy storage holding pawl is separated from the closing roller, and meanwhile, the closing spring pushes the closing cam to rotate and impact the main roller on the main shaft, so that closing is completed; and in the switching-off state, after the operating valve is opened, the support leg of the switching-on limiting plate is abutted to the braking point of the switching-on plastic part, so that the switching-on coil push rod of the switching-on coil cannot push the switching-on plastic part to rotate. Therefore, through the matching between the support leg of the closing limiting plate and the closing plastic part of the closing driving assembly, the locking and unlocking functions of the closing driving assembly are realized, and the function that the breaker cannot be closed in the manual operation three-station mechanism in the opening state of the breaker is realized. In this embodiment, the cooperation between the closing limiting plate and the closing plastic part of the gate driving assembly is adopted, but not limited thereto, and in other embodiments, the cooperation between the closing limiting plate and the closing connecting lever can also be adopted as required.
Preferably, the transmission rod is square, the first interlocking connecting lever comprises a disc body 21 and a square column 22, the disc body is fixedly sleeved on the main shaft, the square column is connected to the outer edge of the disc body, and the square column is opposite to the bottom end of the transmission rod up and down. In this way, the function of moving the locking transmission rod downwards can be realized through the matching of the square transmission rod and the square column of the first interlocking crank arm, but the locking transmission rod is not limited to the function, and the locking transmission rod can also be designed into other structures which are mutually matched to be abutted according to the requirement, and the transmission rod can also be in other shapes.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the invention, which can be embodied in many different forms than described herein, and therefore the invention is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides an aerify cabinet integral type interlocking device for realize aerifing the interlock between the circuit breaker operating device of three station mechanisms of direct action formula of cabinet and aerifing the cabinet, its characterized in that: the integrated interlocking mechanism of the gas charging cabinet comprises a valve clamping plate (1), a first interlocking connecting lever (2), a closing brake component (3), a rotating component (4), a transmission component (5) and a reset component (6), wherein the valve clamping plate is fixedly connected with an operating valve (100) of the direct-acting three-station mechanism, the first interlocking connecting lever is fixedly connected with a main shaft (210) of the circuit breaker operating mechanism, the rotating component comprises an interlocking mounting plate (41), a rotating shaft (42), an interlocking swinging plate (43), an interlocking pin (44), a second interlocking connecting lever (45) and two interlocking rollers (46), the interlocking mounting plate is mounted on the top of a frame of the circuit breaker operating mechanism, the rotating shaft is rotatably mounted on the interlocking mounting plate, the interlocking swinging plate is mounted at one end of the interlocking rotating shaft, and the second interlocking connecting lever is fixedly connected between the other end of the rotating shaft and the interlocking pin, the two interlocking rollers are arranged at two ends of the interlocking swinging plate, and the interlocking pin is inserted into a clamping jaw (11) positioned at the bottom of the valve clamping plate; the transmission assembly is arranged between the first interlocking crank arm and the two interlocking rollers, and the bottom end of the transmission assembly is vertically opposite to the first interlocking crank arm; the closing brake assembly is arranged in the middle of the transmission assembly; when a breaker of the gas charging cabinet is switched on, a first interlocking crank arm on the main shaft rotates to a position abutting against the bottom end of the transmission assembly, so that the top end of the transmission assembly abuts against the two interlocking rollers, the rotating shaft, the interlocking pin and the valve clamping plate are braked, and the operating valve cannot be opened; when the operating valve needs to be opened, a first interlocking connecting lever on the main shaft rotates to a position where the first interlocking connecting lever is separated from the bottom end of the transmission assembly, the operating valve moves left and right and can drive the rotating shaft and the interlocking swing plate to rotate through the valve clamping plate and the interlocking pin, one interlocking roller drives the transmission assembly and the closing brake assembly downwards, the closing brake assembly brakes a closing driving assembly (220) of the operating mechanism of the circuit breaker, and the reset assembly stores energy; and the reset assembly releases stored energy and can drive the closing brake assembly, the transmission assembly and the rotating assembly to reset.
2. An inflatable cabinet integrated interlock mechanism as claimed in claim 1, wherein: the transmission assembly comprises a transmission rod (51) and an interlocking plate (52), the interlocking plate comprises a vertical plate (521) and a horizontal plate (522) formed at the top of the vertical plate, the horizontal plate is arranged below the two interlocking rollers, the top end of the transmission rod is fixedly connected with the vertical plate, and the bottom end of the transmission rod is vertically opposite to the first interlocking crank arm.
3. An inflatable cabinet integrated interlock mechanism as claimed in claim 2, wherein: two first kidney-shaped holes (5211) are formed in the vertical plate, and the vertical plate is fixedly connected with the transmission rod through fasteners penetrating through the first kidney-shaped holes.
4. An inflatable cabinet integrated interlock mechanism as claimed in claim 2, wherein: reset assembly is including fixed bent plate (61) and reset spring (62), the mid-mounting of fixed bent plate in on the lateral wall of circuit breaker operating device's frame, reset spring locates between two relative support arms (611) of fixed bent plate, the middle part activity of transfer line is worn to locate reset spring and two in the through-hole of support arm, the transfer line removes down and can compress reset spring energy storage.
5. An inflatable cabinet integrated interlock mechanism as claimed in claim 4, wherein: the structure that the transmission rod moves downwards to compress the return spring for storing energy is as follows: the transmission rod is provided with a pressing pin and a pressing sheet (7), the pressing pin and the pressing sheet are arranged between the two support arms, the pressing pin is arranged in a pin hole (511) in the transmission rod, the pressing sheet is movably sleeved on the transmission rod, and the pressing sheet is positioned between the top end of the reset spring and the pressing pin.
6. An inflatable cabinet integrated interlock mechanism as claimed in claim 2, wherein: the closing brake assembly comprises a closing limiting plate (31) and a connecting rod (32), the middle part of the closing limiting plate is rotatably installed on a partition plate in a frame of the circuit breaker operating mechanism through a pin shaft, one end of the connecting rod is fixedly connected with the transmission rod, and the other end of the connecting rod penetrates through a second kidney-shaped hole in the closing limiting plate; when the transmission rod drives the connecting rod to move downwards, the connecting rod drives the closing limiting plate to rotate, and the support leg of the closing limiting plate abuts against the closing driving assembly.
7. An inflatable cabinet integrated interlock mechanism as claimed in claim 6, wherein: the closing driving assembly comprises a closing coil (221), a closing plastic part (222), a closing connecting plate (223), a closing connecting lever (224), a closing cam (225) and a closing spring (226), the closing plastic part, the closing connecting lever and the closing cam are respectively and rotatably mounted on a frame of the circuit breaker operating mechanism, the closing connecting lever is provided with a connecting arm (2241) and a closing energy storage retaining pawl (2242) which form an obtuse included angle, and a closing roller (2251) is fixed on the closing cam; two ends of the closing connecting plate are respectively and rotatably connected to the connecting arm of the closing plastic part and the closing connecting lever, the closing spring is elastically abutted against one side surface of the closing roller, and the closing energy storage retaining pawl of the closing connecting lever is abutted against the other side surface opposite to the closing roller in the opening state; a closing coil push rod (2211) is arranged on the closing coil, when closing is performed, a support leg of the closing limiting plate is separated from a brake point of the closing plastic part, the closing coil drives the closing coil push rod to push the closing plastic part to rotate after receiving a closing signal, and drives the closing connecting lever to rotate through the closing connecting plate, so that the closing energy storage holding pawl is separated from the closing roller, and meanwhile, the closing spring pushes the closing cam to rotate and impact the main roller on the main shaft, and closing is completed; and in the switching-off state, after the operating valve is opened, the support leg of the switching-on limiting plate is abutted to the braking point of the switching-on plastic part, so that the switching-on coil push rod of the switching-on coil cannot push the switching-on plastic part to rotate.
8. An inflatable cabinet integrated interlock mechanism as claimed in claim 2, wherein: the transmission rod is square, the first interlocking connecting lever comprises a disc body (21) and a square column (22), the disc body is fixedly sleeved on the main shaft, the square column is connected to the outer edge of the disc body, and the square column is opposite to the bottom end of the transmission rod up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491078.3A CN111508787A (en) | 2020-06-02 | 2020-06-02 | Integrated interlocking mechanism of gas charging cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491078.3A CN111508787A (en) | 2020-06-02 | 2020-06-02 | Integrated interlocking mechanism of gas charging cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111508787A true CN111508787A (en) | 2020-08-07 |
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ID=71864435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010491078.3A Pending CN111508787A (en) | 2020-06-02 | 2020-06-02 | Integrated interlocking mechanism of gas charging cabinet |
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| Country | Link |
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| CN (1) | CN111508787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808867A (en) * | 2021-08-03 | 2021-12-17 | 华翔翔能科技股份有限公司 | Aerify cabinet that possesses automatic interlocking function |
-
2020
- 2020-06-02 CN CN202010491078.3A patent/CN111508787A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808867A (en) * | 2021-08-03 | 2021-12-17 | 华翔翔能科技股份有限公司 | Aerify cabinet that possesses automatic interlocking function |
| CN113808867B (en) * | 2021-08-03 | 2023-08-22 | 华翔翔能科技股份有限公司 | Inflatable cabinet with automatic interlocking function |
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Effective date of registration: 20210706 Address after: 215300 room 2, 201 Shipai Dongyue Road, Baicheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Suzhou lambda Electric Co.,Ltd. Address before: 215312 room 2, 201 Shipai Dongyue Road, Baicheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: LAMBDA ELECTRIC TECHNOLOGY (SUZHOU) Co.,Ltd. |